Only they two survived.

只有这两个人活了下来。

youdao

While the two are only days apart in age they seem to belong to wholly different generations.

虽然这两位年龄上只有几天之差，但他们好像属于完全不同年代的人。

《柯林斯英汉双解大词典》

A week later, they were asked to sleep for only four hours every night for two nights in a row.

一周后，他们被要求连续两晚每晚只睡四个小时。

youdao

Jane says she does not use any preservative chemicals in her products, so they only last about two or three weeks.

VOA: special.2010.02.17

We could also figure out the formal charges, and obviously the formal charges between these two atoms, they're going to be identical, we're only dealing with oxygen atoms here.

我们还可以把形式电荷算出来，显然这两个原子的形式电荷，应该是完全相同的，我们要处理的只有氧这一种原子。

麻省理工公开课 - 化学原理课程节选

The only food they had were two cans of preserved turnips, no fresh water.

仅有的食物就是两罐腌萝卜，没有淡水。

耶鲁公开课 - 公正课程节选

They only have two things in common, they are all Sunni and they carry the AK-47 assault rifle.

NPR: Sunni Sheiks Join Iraqi Police to Fight Al Qaida

But for the last month they only added two, until yesterday where they once again raised the HD provider bar and added another slew of HD channels.

ENGADGET: DirecTV extends their HD lineup, again HD

They beat the fancied teams like Nigeria and Cameroon, they scored 15 goals, conceding only two, and along the way they humiliated Algeria - who only two months ago before had beaten them in an ugly World Cup eliminator.

BBC: Cairo rejoices over African Cup win over Ghana